Internal calibration source for infrared radiation detector

Details Internal calibration source for infrared radiation detector Internal calibration source for infrared radiation detector

1986-04-24

1990-10-23

Hannaher, Constantine

Radiant energy

Calibration or standardization methods

250330, 250334, G01M 1100

Patent

active

049654489

ABSTRACT:
An internal calibration source for an infrared radiation detector has a low emissivity surface with a high emissivity reticle thereon. An image of the detector is focused on the surface so that it is retroreflected back to the detector. The image is scanned between the high and low emissivity regions during calibration.

REFERENCES:
patent: 3612879 (1971-10-01), Ohman
patent: 3694624 (1972-09-01), Buchta
patent: 3986384 (1976-10-01), Giorgi
patent: 4280050 (1981-07-01), Callender et al.
patent: 4378489 (1983-03-01), Chabinsky et al.
patent: 4383173 (1983-05-01), Neil et al.
patent: 4433924 (1984-02-01), Quinn, III

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